| article html file updated | 31 August 2025 15:33 CEST | Update | https://www.mdpi.com/2076-3921/9/4/280 |
| article html file updated | 21 July 2022 00:03 CEST | Update | - |
| article html file updated | 31 March 2020 08:58 CEST | Update | - |
| article pdf uploaded. | 31 March 2020 08:57 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/280/pdf |
| article xml uploaded. | 31 March 2020 08:57 CEST | Update | https://www.mdpi.com/2076-3921/9/4/280/xml |
| article xml file uploaded | 31 March 2020 08:57 CEST | Update | - |
| article html file updated | 31 March 2020 07:45 CEST | Original file | - |
| article pdf uploaded. | 31 March 2020 07:44 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/280/pdf-vor |
| article xml file uploaded | 31 March 2020 07:44 CEST | Update | - |
| article pdf uploaded. | 26 March 2020 13:11 CET | Version of Record | https://www.mdpi.com/2076-3921/9/4/280/pdf-vor |
| article xml file uploaded | 26 March 2020 13:11 CET | Original file | - |
